: A new toolbar featured quick-access buttons for tools and a command line for keyboard-focused developers. System Requirements for Mac

Since Mozilla focuses on the latest secure builds, you won't find this version on the main Firefox download page . Instead, you must access the official archives or reputable third-party mirrors:

: Mac OS X 10.5 (Leopard), 10.6 (Snow Leopard), or 10.7 (Lion).

To run Firefox 16.0.2, your legacy Mac hardware must meet the following official requirements :

: It provided early-stage support for web apps across Windows, Mac, and Linux, allowing websites to function more like standalone desktop applications.

: Intel x86 processor (Note: While it supports OS X 10.5, it does not natively support PowerPC G4/G5 chips unless using a fork like TenFourFox ). RAM : Minimum 512 MB. Storage : 200 MB of free hard drive space. Where to Download Firefox 16.0.2

: Improvements to incremental garbage collection helped reduce "stutter" during heavy browsing sessions.